AirHint found the following cheapest one-way flights from London (LGW) to Tallinn (TLL) in September 2025 (see full year).

One-Way flights

01 Sep	Vueling Airlines
24 Sep	Ryanair
25 Sep	airBaltic	direct
18 Sep	airBaltic	direct
04 Sep	airBaltic	direct
06 Sep	Wizz Air Malta
16 Sep	airBaltic	direct
08 Sep	easyJet
13 Sep	Ryanair
30 Sep	airBaltic

Also check the deals for return flights from London to Tallinn in September.

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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Cheapest one-way flights from London to Tallinn in September from 72€

One-Way flights